(2020). GCE O' Level: சைவநெறி I & II 2019-2020. Astan Publication.
Chicago Style (17th ed.) CitationGCE O' Level: சைவநெறி I & II 2019-2020. Colombo: Astan Publication, 2020.
MLA (9th ed.) CitationGCE O' Level: சைவநெறி I & II 2019-2020. Astan Publication, 2020.
Warning: These citations may not always be 100% accurate.